<template>
  <view>
    <!-- 自定义搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>

    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item ,i) in swiperList" :key='i'>
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类导航区 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>

    <!-- 楼层区域 -->
    <view class="floor-list">
      <!-- 楼层里每一个item -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <!-- 楼层的标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <!-- 左侧第一张大图片,widthFix宽度自适应 -->
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width  + 'rpx'}"
              mode="widthFix"></image>
          </navigator>
          <!-- 右侧四张小图片盒子 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list " :key="i2" v-show="i2!==0" :url="item2.url">
              <image :src="item2.image_src" mode="widthFix" :style="{width:item2.image_width +'rpx'}"></image>
            </navigator>
          </view>

        </view>
      </view>
    </view>


  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badage.js'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        // 轮播图数据
        swiperList: [],
        // 导航区数据
        navList: [],
        // 楼层数据
        floorList: []
      };
    },

    onLoad() {
      // home页面挂载就发请求获取轮播图数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },

    methods: {
      // 搜索框跳转
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      },
      // 获取轮播图
      async getSwiperList() {
        // 发请求,结构出data数据
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 请求失败弹出消息框
        if (res.meta.status !== 200) {
          return uni.$showMsg()
        } else {
          // 请求成功存储数据
          this.swiperList = res.message
        }
      },
      // 获取导航栏
      async getNavList() {
        // 发请求,解析数据
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status == 200) {
          this.navList = res.message
        } else {
          return uni.$showMsg()
        }
      },
      // 导航栏点击事件
      navClickHandler(item) {
        // 通过名字判断跳转到哪个页面
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      // 获取楼层数据
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status == 200) {
          this.floorList = res.message
        } else {
          return uni.$showMsg()
        }

        // 对数据处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            // 给每个数据挂载上url
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
      },
      

    },
  }
</script>

<style lang="scss">
 swiper {
   height: 330rpx;
 
   .swiper-item,
   image {
     width: 100%;
     height: 100%;
   }
 }
 
 .nav-list {
   display: flex;
   justify-content: space-around;
   margin: 15px 0;
 
   .nav-img {
     width: 128rpx;
     height: 140rpx;
   }
 }
 
 .floor-title {
   width: 100%;
   height: 60rpx;
 }
 
 .right-img-box {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-around;
 }
 
 .floor-img-box {
   display: flex;
   padding-left: 10rpx;
 }
 
 .search-box {
   position: sticky;
   top: 0;
   z-index: 999;
 }
</style>
